Files
neovim/runtime/lua/vim/fs.lua
Gregory Anders 67cbaf58c4 feat(fs): add vim.fs.parents()
vim.fs.parents() is a Lua iterator that returns the next parent
directory of the given file or directory on each iteration.
2022-05-31 13:04:40 -06:00

36 lines
688 B
Lua

local M = {}
--- Iterate over all the parents of the given file or directory.
---
--- Example:
--- <pre>
--- local root_dir
--- for dir in vim.fs.parents(vim.api.nvim_buf_get_name(0)) do
--- if vim.fn.isdirectory(dir .. "/.git") == 1 then
--- root_dir = dir
--- break
--- end
--- end
---
--- if root_dir then
--- print("Found git repository at", root_dir)
--- end
--- </pre>
---
---@param start (string) Initial file or directory.
---@return (function) Iterator
function M.parents(start)
return function(_, dir)
local parent = vim.fn.fnamemodify(dir, ":h")
if parent == dir then
return nil
end
return parent
end,
nil,
start
end
return M